document.write( "Question 1016883: Log8base4+log2base4 \n" ); document.write( "
Algebra.Com's Answer #633239 by mathmate(429) You can put this solution on YOUR website! \n" ); document.write( "Question: \n" ); document.write( "Evaluate Log8base4+log2base4 \n" ); document.write( " \n" ); document.write( "Solution: \n" ); document.write( "We will need basic definition of log x to the base b, and some laws of logarithms: \n" ); document.write( "y=logbx means by=x \n" ); document.write( "hence \n" ); document.write( "logbb=1 \n" ); document.write( "and \n" ); document.write( "log(a)+log(b)=log(ab) \n" ); document.write( "log(a²)=2log(a) \n" ); document.write( " \n" ); document.write( "log4(8)+log4(2) \n" ); document.write( "=log4(8*2) \n" ); document.write( "=log4(16) \n" ); document.write( "=log4(4^2) \n" ); document.write( "=2log4(4) \n" ); document.write( "=2*1 \n" ); document.write( "=2 \n" ); document.write( " \n" ); document.write( " |